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@@ -43,6 +43,79 @@ minetest.register_chatcommand("test_bulk_set_node", {
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end,
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})
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+-- Safeguard against too much optimization. This way the results cannot be optimized
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+-- away, but they can be garbage collected (due to __mode = "k").
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+_G._bench_content_ids_data = setmetatable({}, {__mode = "k"})
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+
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+local function bench_name2content()
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+ local t = {}
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+ _G._bench_content_ids_data[t] = true
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+
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+ local get_content_id = minetest.get_content_id
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+
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+ local start = minetest.get_us_time()
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+
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+ for i = 1, 200 do
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+ for name in pairs(minetest.registered_nodes) do
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+ t[#t + 1] = get_content_id(name)
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+ end
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+ end
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+
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+ local finish = minetest.get_us_time()
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+
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+ return (finish - start) / 1000
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+end
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+
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+local function bench_content2name()
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+ local t = {}
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+ _G._bench_content_ids_data[t] = true
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+
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+ -- Try to estimate the highest content ID that's used
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+ -- (not accurate but good enough for this test)
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+ local n = 0
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+ for _ in pairs(minetest.registered_nodes) do
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+ n = n + 1
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+ end
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+
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+ local get_name_from_content_id = minetest.get_name_from_content_id
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+
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+ local start = minetest.get_us_time()
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+
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+ for i = 1, 200 do
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+ for j = 0, n do
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+ t[#t + 1] = get_name_from_content_id(j)
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+ end
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+ end
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+
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+ local finish = minetest.get_us_time()
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+
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+ return (finish - start) / 1000
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+end
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+
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+minetest.register_chatcommand("bench_name2content", {
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+ params = "",
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+ description = "Benchmark: Conversion from node names to content IDs",
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+ func = function(name, param)
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+ minetest.chat_send_player(name, "Benchmarking minetest.get_content_id. Warming up ...")
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+ bench_name2content()
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+ minetest.chat_send_player(name, "Warming up finished, now benchmarking ...")
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+ local time = bench_name2content()
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+ return true, ("Time: %.2f ms"):format(time)
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+ end,
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+})
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+
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+minetest.register_chatcommand("bench_content2name", {
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+ params = "",
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+ description = "Benchmark: Conversion from content IDs to node names",
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+ func = function(name, param)
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+ minetest.chat_send_player(name, "Benchmarking minetest.get_name_from_content_id. Warming up ...")
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+ bench_content2name()
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+ minetest.chat_send_player(name, "Warming up finished, now benchmarking ...")
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+ local time = bench_content2name()
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+ return true, ("Time: %.2f ms"):format(time)
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+ end,
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+})
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+
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minetest.register_chatcommand("bench_bulk_set_node", {
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params = "",
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description = "Benchmark: Bulk-set 99×99×99 stone nodes",
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